﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace SuperListEx
{
    internal class PositionedRowIdentifier
    {
        #region propertiess
        public RowIdentifier RowIdentifier
        {
            get;
            private set;
        }

        public int Position
        {
            get;
            set;
        }
        #endregion

        #region overloaded operators
        public static bool operator ==(PositionedRowIdentifier lhs, PositionedRowIdentifier rhs)
        {
            if (ReferenceEquals(lhs, rhs))
            {
                return true;
            }
            if (ReferenceEquals(lhs, null))
            {
                return false;
            }
            if (ReferenceEquals(rhs, null))
            {
                return false;
            }

            return lhs.RowIdentifier == rhs.RowIdentifier && lhs.Position == rhs.Position;
        }

        public static bool operator !=(PositionedRowIdentifier lhs, PositionedRowIdentifier rhs)
        {
            return !(lhs == rhs);
        }
        #endregion

        #region constructors
        public PositionedRowIdentifier(RowIdentifier rowIdentifier, int position)
        {
            RowIdentifier = rowIdentifier;
            Position = position;
        }
        #endregion

        #region object overrides
        public override bool Equals(object obj)
        {
            return RowIdentifier.Equals(obj);
        }

        public override int GetHashCode()
        {
            return RowIdentifier.GetHashCode();
        }
        #endregion
    }
}
